These he had boiled down into a yellow liquid quite unknown to science, which was probably the most virulent poison in existence.

"Glenn unquestionably died from the effects of a most virulent poison," declared Fredericks.

The thing was less than the span of his spread hand from thumb to little finger, but its virulent poison could kill within minutes.

We used plagueroot - the most virulent poison there is - quarts of it.

The cumulative stress- and some kind of pretty virulent poison.

The man on the floor was a victim of a slow but virulent poison.

He appears to have died from the virulent poison which the Jibaros use.

Last year's drought allowed a virulent poison, aflatoxin, to flourish on some corn crops.

Dioxin is the most virulent industrial poison to date, or maybe it's not.

This will bring relief except with the most virulent poisons in this class.